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core/vm: add micro-optimization

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This commit is contained in:
Marius van der Wijden 2024-08-14 13:04:49 +02:00
parent 2b9d198706
commit 187a295551
3 changed files with 28 additions and 6 deletions
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4
common/types.go
View file

@ -30,6 +30,7 @@ import (
"strings"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/holiman/uint256"
"golang.org/x/crypto/sha3"
)
@ -248,6 +249,9 @@ func (a Address) Bytes() []byte { return a[:] }
// Big converts an address to a big integer.
func (a Address) Big() *big.Int { return new(big.Int).SetBytes(a[:]) }
// Big converts an address to a uint256.
func (a Address) Uint256() *uint256.Int { return new(uint256.Int).SetBytes20(a[:]) }
// Hex returns an EIP55-compliant hex string representation of the address.
func (a Address) Hex() string {
return string(a.checksumHex())

11
core/vm/instructions.go
View file

@ -251,7 +251,7 @@ func opKeccak256(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) (
}
func opAddress(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetBytes(scope.Contract.Address().Bytes()))
scope.Stack.push(scope.Contract.Address().Uint256())
return nil, nil
}
@ -263,12 +263,12 @@ func opBalance(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]
}
func opOrigin(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetBytes(interpreter.evm.Origin.Bytes()))
scope.Stack.push(interpreter.evm.Origin.Uint256())
return nil, nil
}
func opCaller(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetBytes(scope.Contract.Caller().Bytes()))
scope.Stack.push(scope.Contract.Caller().Uint256())
return nil, nil
}
@ -463,7 +463,7 @@ func opBlockhash(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) (
}
func opCoinbase(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetBytes(interpreter.evm.Context.Coinbase.Bytes()))
scope.Stack.push(interpreter.evm.Context.Coinbase.Uint256())
return nil, nil
}
@ -485,8 +485,7 @@ func opDifficulty(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext)
}
func opRandom(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
v := new(uint256.Int).SetBytes(interpreter.evm.Context.Random.Bytes())
scope.Stack.push(v)
scope.Stack.push(new(uint256.Int).SetBytes(interpreter.evm.Context.Random.Bytes()))
return nil, nil
}

19
core/vm/instructions_test.go
View file

@ -580,6 +580,25 @@ func BenchmarkOpMstore(bench *testing.B) {
}
}
func BenchmarkOpAddress(bench *testing.B) {
var (
env = NewEVM(BlockContext{}, TxContext{}, nil, params.TestChainConfig, Config{})
stack = newstack()
evmInterpreter = NewEVMInterpreter(env)
)
env.interpreter = evmInterpreter
pc := uint64(0)
contract := Contract{
self: contractRef{addr: common.Address{}},
}
bench.ResetTimer()
for i := 0; i < bench.N; i++ {
opAddress(&pc, evmInterpreter, &ScopeContext{nil, stack, &contract})
}
}
func TestOpTstore(t *testing.T) {
var (
statedb, _ = state.New(types.EmptyRootHash, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)